US ZIP Code 78557 Age & Gender Distribution (2024)
Population distribution by age and gender for US ZIP Code 78557
US ZIP Code 78557 Age & Gender Statistics (2024)
Total Population
14,498
Median Age
31.5
Male Median
29.8
Female Median
33.1
US ZIP Code 78557 Population Growth

US ZIP Code 78557 Demographic Trend
Since 2021, the population of has changed by +4.0%%.
+4.0%% Growth
US ZIP Code 78557 Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
US ZIP Code 78557 Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 31.5 | 14,498 |
| 2023 | 31.5 | 14,250 |
| 2022 | 28.8 | 14,075 |
| 2021 | 28.9 | 13,939 |
US ZIP Code 78557 Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 8.3% |
| 5–17 | 19.8% |
| 18–24 | 11.0% |
| 25–34 | 16.9% |
| 35–54 | 20.1% |
| 55–64 | 11.3% |
| 65+ | 12.7% |
Dependency Ratios for US ZIP Code 78557
- Total Dependency Ratio:
- 68.8
- Youth Dependency:
- 47.4
- Old-Age Dependency:
- 21.4
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for US ZIP Code 78557
The median age in US ZIP Code 78557 is 31.5 years.
According to latest Census data, the total population of US ZIP Code 78557 is 14,498.
In US ZIP Code 78557, seniors (ages 65+) make up 12.7% of the population, while children under 18 represent 19.8%.
Based on historical data since 2021, the population in US ZIP Code 78557 is aging.